Home / 238,823.24-329,576.04-131,390.96

Finding the Fourth Proportional to 238,823.24, 329,576.04 and 131,390.96

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Solution

The fourth proportional to 238,823.24, 329,576.04 and 131,390.96 is: 181,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,823.24 : 329,576.04 = 131,390.96 : x
  2. Step 2: Convert to fraction form
    238,823.24/329,576.04 = 131,390.96/x
  3. Step 3: Cross multiply
    238,823.24x = 329,576.04 × 131,390.96
  4. Step 4: Simplify right side
    238,823.24x = 43,303,310,640.72
  5. Step 5: Solve for x
    x = 43,303,310,640.72/238,823.24
  6. Step 6: Final answer
    x = 181,319.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.